Desmond Harrington to Guest Star on Gossip Girl

Desmond Harrington portrays Deb's partner and possibly dirty fellow police officer, Quinn, on the current season of Dexter.

While the fate of his character is unknown at this time, the future of the actor will be on The CW. According to Michael Ausiello of Entertainment Weekly, Harrington is ready for a guest-starring stint on Gossip Girl in the role of Bart Bass' little brother, Jack.

The actor will reportedly appear on Gossip Girl to help deal with a Bass family crisis. Does this mean his older sibling will kick the proverbial bucket, as rumors suggest? Tune in. Find out.